Show that if a, b, c, and m are integers such that m ≥ 2, c > 0, and a ≡ b (mod m), then ac ≡ bc (mod mc). rosen, kenneth. discrete mathematics and its applications (p. 259). mcgraw-hill higher education. kindle edition.

The year before the 10s so it was like when caveman were alive

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

Need the graph to answer this.